.main {
  .ss-flex {
    display: flex;
  }
  .left-menu-btn {
    position: fixed;
    bottom: 50px;
    left: 50px;
    z-index: 999;
    .el-icon-s-fold {
      color: #fff;
    }
  }
  .top-line {
    height: 3px;
    width: 100%;
    background-color: #333;
    position: fixed;
    top: 0;
    left: 0;
  }
  .main-box {
    width: 992px;
    margin: 0 auto;
    padding-top: 100px;
    text-align: center;
    .title {
      padding: 5px;
      text-align: center;
      background-color: #333;
      color: #fff;
      font-weight: bold;
    }
  }
  .left-menu {
    min-height: 100vh;
    width: 300px;
    background-color: #333;
    display: flex;
    justify-content: center;
    cursor: default;
    .header-img {
      margin-top: 50px;
      width: 140px;
      height: 140px;
      background: url("../../assets/imgs/header.gif") center no-repeat;
    }
    .intro {
      text-align: center;
      margin-top: 20px;
      p:nth-of-type(1) {
        color: #fff;
        font-weight: bold;
      }
      p:nth-of-type(2) {
        color: #999;
        font-size: 14px;
        margin-top: 10px;
      }
    }
    .contact {
      margin-top: 20px;
      text-align: center;
      a {
        color: #999;
        text-decoration: none;
      }
      a:hover {
        text-decoration: underline;
        color: #fff;
      }
    }
  }
}
